相关实验视频
Updated: Jul 16, 2025
06:01
Prion Safety Laboratory Swipe Test
Published on: February 14, 2025
758
由于血管内淋巴瘤导致的快速进展性痴呆症:一个病参考中心的经验
Giuseppe Mario Bentivenga1, Simone Baiardi1,2, Lorenzo Righini1
1Department of Biomedical and Neuromotor Sciences (DiBiNeM), University of Bologna, Bologna, Italy.
European journal of neurology
|September 22, 2023
概括
血管内大B细胞淋巴瘤 (IVLBCL) 是一种罕见的痴呆症,常常被误诊为克鲁茨菲尔特-雅各布病 (CJD). 早期诊断和使用子RT-QuIC将其与CJD区分开来,对于有效治疗至关重要.
科学领域:
- 神经病理学神经病理学
- 在瘤学瘤学.
- 神经科学是一个神经科学.
背景情况:
- 血管内大B细胞淋巴瘤 (IVLBCL) 是一种罕见的外节淋巴瘤.
- 它在血管内选择性地生长,成为快速进展性痴呆症 (RPD) 的可治疗原因.
- 由于其多样化的表现,IVLBCL经常被误诊,模仿常见的RPD原因,如克鲁茨菲尔特-雅各布病 (CJD) 或血管痴呆症.
研究的目的:
- 介绍四个死后诊断的IVLBCL病例的临床和组织病理学特征.
- 突出IVLBCL病例中遇到的诊断挑战和错误诊断.
- 要强调RT-QuIC在区分IVLBCL和CJD中的实用性.
主要方法:
- 对四例IVLBCL病例的回顾性分析,这些病例在20年内死后被诊断出.
- 对临床表现,诊断测试 (血液检测,脑流体,脑电图,神经成像) 和神经病理学发现的审查.
- 使用子实时震动诱导转换 (RT-QuIC) 对存储的脊髓样本进行后期测试.
主要成果:
- 患者呈现出各种症状,包括行为变化,失方向和波动的警觉.
- 最初的诊断测试产生了不特定或误导的结果,导致错误诊断的CJD,,血管痴呆症,或脑炎.
- 神经病理学分析显示,前皮皮层的偏好参与;在两个测试的病例中,RT-QuIC是负的.
结论:
- IVLBCL表现出显著的临床和仪器异质性,使诊断复杂化.
- 偏好的前时新皮层参与可能会影响临床表型并帮助早期诊断.
- 在怀疑IVLBCL病例中排除CJD,因为错误诊断的关键治疗影响,Prion RT-QuIC非常有价值.
相关概念视频
01:26Alzheimer's Disease: Overview
513
Alzheimer's Disease (AD) is a continually advancing neurodegenerative disorder, distinguished by escalating memory loss, cognitive dysfunction, and dementia. The disease unfolds in three stages: preclinical, mild cognitive impairment (MCI), and dementia. Its onset is insidious, and the progression gradual, with the cause not well explained by other disorders.
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
The clinical diagnosis of AD hinges on the presence of memory and other cognitive impairments. Biomarkers, such as changes in Aβ...
513
01:15Parkinson's Disease: Overview
590
Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is...
590
03:03Amyloid Fibrils
9.6K
Amyloid fibrils are aggregates of misfolded proteins. Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils.
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
9.6K
01:30Dementia
131
Dementia is a collective term for cognitive disorders primarily affecting memory, thinking, and reasoning. It is not a specific disease but a syndrome, with Alzheimer's disease being the most common cause, accounting for approximately 60-80% of cases. Other types include vascular dementia, Lewy body dementia, and frontotemporal dementia. Dementia affects millions worldwide, particularly older adults, though it is not a normal part of aging.
The progression of dementia is generally gradual....
The progression of dementia is generally gradual....
131